Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Quantitative analysis method based on near infrared spectrum and chemometrics and used for five-element blend oil

A near-infrared spectroscopy and chemometrics technology, which is applied in the field of quantitative analysis of five-element blended oil based on near-infrared spectroscopy and chemometrics, can solve problems such as the reduction of prediction accuracy of multivariate correction methods, and achieve the effect of improving accuracy.

Inactive Publication Date: 2017-08-11
TIANJIN POLYTECHNIC UNIV
View PDF4 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology uses multiple techniques for selecting specific types or ratios from mixed oils by measuring certain properties such as color intensity at particular frequencies. By doing this, it can improve detecting any differences between these two groups of oils without relying on external factors like temperature changes.

Problems solved by technology

This patented technical problem addressed in this patent relates to accurately detecting different types of vegetable products mixed together without sacrificially analyzed portions. Current methods require expensive equipment and involve extensive processing steps before achieving an overall result.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Quantitative analysis method based on near infrared spectrum and chemometrics and used for five-element blend oil
  • Quantitative analysis method based on near infrared spectrum and chemometrics and used for five-element blend oil
  • Quantitative analysis method based on near infrared spectrum and chemometrics and used for five-element blend oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0029] 1) Prepare the experimental samples and collect the near-infrared spectra of the samples

[0030] Several samples of rice oil, soybean oil, corn oil, sunflower oil, and sesame oil were purchased from large supermarkets in Tianjin to prepare blended oil samples. The mass percentage of each oil is 0-40%, the interval is 0.8%, and 51 concentrations are designed. The 51 concentrations of the five oils were randomized and the sum of the mass percentages of the five oils in one sample was guaranteed to be 100%. Prepare blended oil samples one by one according to the concentrations of the five oils in each blended oil sample designed. Before the experiment, turn on the Vertex 70 multi-band infrared / near-infrared spectrometer, set the test parameters, and the sampling wavenumber range is 12000-4000cm -1 , with a resolution of 8cm -1 , background and sample scans are 32 times, and the instrument is preheated for 1 hour. Select a 2mm cuvette, put it into a multi-band infrared...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a quantitative analysis method based on near infrared spectrum and chemometrics and used for five-element blend oil. The method specifically comprises the steps as follows: a near infrared spectrograph is used for scanning near infrared spectrum of a prepared sample, and near infrared spectrum data are obtained. Then, the preprocessing effects of an SG smoothing method, a standard normality variable, multiplicative scatter correction, a first-order derivative, a second-order derivative, continuous wavelet transformation and combinations thereof are inspected. Then, a wavelength selection method is determined in combination with the best preprocessing method, and finally, a PLS regression model is established with the best preprocessing-wavelength selection method to perform quantitative analysis on the five-element blend oil. The method is based on near infrared spectrum and chemometrics, is efficient, non-destructive, rapid in detection and high in accuracy, and accurate quantitation of all components of the five-element blend oil is well realized.

Description

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Owner TIANJIN POLYTECHNIC UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com